Factor Info

ID 172424
Size 306 digits / 1015 bits
Status composite
Value 215374816830125380875300626497461231879687948116801950303885413669129135773982424170758563175992717406228288012642358576372126766789341940003833008091904008392080228177112599644915599432041627718967745447064989422211796453752529421843988750588556352093554229016257183727513762582434732015979284847828304851

Factorizations

Primary (ID: 171477) 1372246572023716593552256551311475966361 (proven prime)
(ID: 172425) 156950522756636953084891565251636942956912913704483238174117362750169582653276675329130777401404738779887151642188746670856253876899663517295663273344941016273278938243835198974741202289654009202463820659797605143422057345575578267022649190758744764189618736245206091 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.